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Interesting feature of this renovation of the single family house is that it is a building from 1864, which was modernised in 1909. This house was purchased by young couple, because of its’ location, which is very close to the nature – in the wood, far away from the road. Nearby there are old oak

One family house with the highest sustainability rates in Spain and in Europe for efficiency, lowest demand, health care, recycling and the best technology in natural gas AW heat pump with R290 (natural refrigerant gas). Carbon footprint: zero CO2 emissions -Passivhaus premium

Single family house in Asturias, 200 m2, 4 romos and 3 baths. Zero emissions, 100% off grid in a very low solar radiation area. PV solar system to provide electricity to the entire house. Facade “low enthalpy” solar thermal panels capture and store solar energy at very low radiation

Phasing out of gas for domestic heating and hot water production. The METRO Delta is groundbreaking liquid-to-water heat pump for: a)Ultra Low Temperature District Heating (u-LTDH) applications b)Micro grids and cold network applications c)Applications in combination with PVT panels Wall

D15 offers heating (heat pumps) and cooling (air conditioning) users the possibility to reduce their electricity consumption by up to 15% depending on the refrigerants used. Its working principle is based on the compression cooled by oil injection. A part of the compressor’s oil is reinjected